256431168

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{63599}}^1$

素因数の和:63624

約数の個数: 84

約数和(自身を含む): 840028800

約数和(自身を除く): 583597632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1344, 2016, 4032, 63599, 127198, 190797, 254396, 381594, 445193, 508792, 572391, 763188, 890386, 1017584, 1144782, 1335579, 1526376, 1780772, 2035168, 2289564, 2671158, 3052752, 3561544, 4006737, 4070336, 4579128, 5342316, 6105504, 7123088, 8013474, 9158256, 10684632, 12211008, 14246176, 16026948, 18316512, 21369264, 28492352, 32053896, 36633024, 42738528, 64107792, 85477056, 128215584, 256431168]

約数ペア:

[(1, 256431168), (2, 128215584), (3, 85477056), (4, 64107792), (6, 42738528), (7, 36633024), (8, 32053896), (9, 28492352), (12, 21369264), (14, 18316512), (16, 16026948), (18, 14246176), (21, 12211008), (24, 10684632), (28, 9158256), (32, 8013474), (36, 7123088), (42, 6105504), (48, 5342316), (56, 4579128), (63, 4070336), (64, 4006737), (72, 3561544), (84, 3052752), (96, 2671158), (112, 2289564), (126, 2035168), (144, 1780772), (168, 1526376), (192, 1335579), (224, 1144782), (252, 1017584), (288, 890386), (336, 763188), (448, 572391), (504, 508792), (576, 445193), (672, 381594), (1008, 254396), (1344, 190797), (2016, 127198), (4032, 63599)]